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Sigma AI Browser vs Taktak: catalog facts
Sigma AI Browser	Taktak
Free Described by the developer as a free browser.	Free Free to use according to the developer's site.
Windows, macOS, Android, iOS	Windows, macOS, Linux
Built-in AI agent that acts on web pages Local Eclipse LLM keeps prompts on the device	Page summaries and explanations built into the browser Translation of pages in over 100 languages
Cloud AI features send data off the device Developer and licensing details are not clearly stated	AI features depend on remote servers running DeepSeek models Developer and business model are not described on the site
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.